AET (Aircraft Electronics 2026 May

(AET) Aircraft Electronics Technician Practice Test

Free AET Practice Test : Exam Questions & Study Guide

The NCATT AET certification is the industry standard for professionals seeking to prove their expertise in aviation electronics. Achieving the Aircraft Electronics Technician (AET) designation demonstrates a mastery of essential avionics concepts, from basic electricity to complex digital circuits.

Our comprehensive AET practice test resources are designed to help you prepare effectively for the ASTM NCATT examination. Whether you are an experienced aviation electronics technician or a student entering the field, our free study materials, including flashcards and detailed answer explanations, will boost your confidence and readiness.

⏱️

Time Limit

📝

100

Questions

✅

70%

Pass Rate

💵

$175

Exam Fee

The AET certification is widely recognized by major aerospace employers and is often a prerequisite for advanced endorsements in radio communication, autonomous navigation systems, and onboard safety equipment. Passing the AET exam validates your technical knowledge against ASTM F35 standards. Try our A&P mechanic practice test.

Candidates looking to maximize their preparation can also use our California CHSPE practice test 2026, which covers the key content areas and question formats used in the official exam.

AET Practice Test Questions

Prepare for the AET - Aircraft Electronics Technician exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.

AET Aircraft Power Systems

AET Exam Questions covering AET Aircraft Power Systems. Master AET Test concepts for certification prep.

AET Regulatory Compliance and Certification

Free AET Practice Test featuring AET Regulatory Compliance and Certification. Improve your AET Exam score with mock test prep.

AET Avionics Systems

AET Mock Exam on Avionics Systems. AET Study Guide questions to pass on your first try.

AET Communication Systems

AET Test Prep for Communication Systems. Practice AET Quiz questions and boost your score.

AET Diagnostic and Testing Tools

AET Questions and Answers on Diagnostic and Testing Tools. Free AET practice for exam readiness.

AET Documentation and Reporting

AET Mock Test covering Documentation and Reporting. Online AET Test practice with instant feedback.

AET Electrical Troubleshooting

Free AET Quiz on Electrical Troubleshooting. AET Exam prep questions with detailed explanations.

AET Maintenance Procedures and Safety

AET Practice Questions for Maintenance Procedures and Safety. Build confidence for your AET certification exam.

AET Navigation Equipment

AET Test Online for Navigation Equipment. Free practice with instant results and feedback.

AET Technical Knowledge and Skills

AET Study Material on Technical Knowledge and Skills. Prepare effectively with real exam-style questions.

FREE AET PRACTICE TEST

AET Exam Flashcards

Click to flip and test your knowledge of aviation electronics.

📚 ⚡What does Ohm's Law state regarding voltage, current, and resistance?

Ohm's Law states that Voltage (V) equals Current (I) multiplied by Resistance (R), expressed as V = I x R.

🎯 🔌What is the primary function of a diode in a circuit?

A diode allows current to flow easily in one direction while blocking it in the opposite direction, often used for rectification.

💡 ⚠️What color tag identifies a 'condemned' or unserviceable aircraft part?

A red tag typically identifies a part that is condemned or unserviceable and must not be installed on an aircraft.

🔑 📡Which logic gate outputs TRUE only when all inputs are TRUE?

The AND gate outputs a high (TRUE) signal only when all of its input signals are high (TRUE).

📝 📏What instrument is used to measure electrical resistance?

An ohmmeter (or multimeter set to resistance mode) is used to measure electrical resistance in ohms.

⭐ ✈️What does ESD stand for in electronics handling?

ESD stands for Electrostatic Discharge, which can damage sensitive electronic components during handling.

AET EXAM QUESTIONS QUIZ

AET Certification Study Guide

This AET study guide breaks down the essential information you need to know about the exam. From registration to results, explore the tabs below to familiarize yourself with the NCATT AET certification process.

ℹ️ AET Basics

What is the AET certification?: The AET certification (Aircraft Electronics Technician) is a credential issued by ASTM International (formerly NCATT) that validates a technician's knowledge of basic aviation electronics and safety standards.
Who should take the AET exam?: Aspiring aviation electronics technicians, avionics students, and mechanics looking to specialize in avionics should take the exam to demonstrate competency to employers.
Is the AET exam mandatory?: While not legally required by the FAA like the A&P license, the NCATT AET is highly preferred by major airlines and MROs as proof of avionics proficiency.
What topics are covered on the AET test?: The exam covers DC/AC circuits, solid-state electronics, digital logic, aircraft safety, maintenance forms, and basic tool usage.

📝 AET Format

How many questions are on the AET exam?: The AET exam consists of approximately 100 multiple-choice questions that must be completed within the allotted time.
What is the time limit for the AET test?: Candidates are typically given 2 hours (120 minutes) to complete the NCATT AET examination.
Is the AET test computer-based?: Yes, the AET certification exam is administered via computer at authorized PSI or ASTM testing centers.
Can I use a calculator on the AET exam?: Basic calculators are usually permitted or provided on-screen, but checking the specific center rules for your AET test is recommended.

📅 AET Registration

How do I register for the AET exam?: You can register for the AET exam through the ASTM or PSI website, selecting a convenient testing center and date.
How much does the AET exam cost?: The AET certification cost is approximately $175, though prices may vary slightly by testing center or organizational membership.
Are there prerequisites for the AET exam?: There are no formal prerequisites, but completion of an aviation electronics technician training program is strongly recommended.
Where can I take the AET test?: The exam is offered at hundreds of PSI testing centers worldwide and authorized AET testing educational institutions.

📊 AET Results

What is the passing score for the AET exam?: You must achieve a score of 70% or higher to pass the NCATT AET examination and earn your certification.
When do I get my AET results?: AET results are typically available immediately after completing the computer-based test at the center.
What happens if I fail the AET exam?: If you fail, you can retake the AET test after a mandatory waiting period (usually 30 days) and paying the exam fee again.
Does the AET certification expire?: The AET certification generally does not expire, but keeping up with industry standards and endorsements is encouraged.

💵 AET Salary

What is the average AET salary?: The average aviation electronics technician salary ranges from $65,000 to $90,000 annually, depending on experience and location.
Do AETs make more than A&P mechanics?: AET certification holders often earn competitive wages, and having both AET and A&P certifications can significantly increase earning potential.
What industries hire AETs?: Aircraft electronics technicians work in commercial airlines, aerospace manufacturing, defense contracting, and general aviation repair stations.
Does AET certification increase pay?: Yes, many employers offer higher starting pay or bonuses for technicians who hold the NCATT AET credential.

Focus heavily on basic electrical theory and safety. Many AET exam questions are derived from fundamental Ohm's Law calculations and standard workplace safety practices found in ASTM standards.

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AET Exam Score Calculator

Total Scored Questions

150

Estimated score calculation

105 out of 150 correct

70%

Required to Pass: ~70% (Estimated)

Your Score: 105 correct ✓ PASS

While the training and AET exam fees require upfront capital, the potential to earn over $70,000 annually as a certified aircraft electronics technician makes it a sound career investment.

FREE AET TEST QUESTIONS

AET Career Opportunities

The AET certification prepares you for diverse roles in the aviation industry. Explore these common career paths for certified technicians.

AET PRACTICE QUESTIONS

AET Test Day Checklist

Valid Government ID

Exam Confirmation Email

Basic Calculator (if allowed)

Arrive 30 Mins Early

Leave Electronics in Car

Review Study Notes

Hydrate and Eat

Confidence!

Ready to Pass Your AET Exam?

Join thousands of technicians who have used our AET practice test resources to certify. Start your free exam prep today.

AET Certification Renewal

Currently, the AET certification does not expire. However, the industry is constantly evolving, and maintaining currency is vital.

🔄

Renewal Cycle

Lifetime

💲

Renewal Fee

After earning your core AET certification, you can pursue add-on endorsements in Radio Communication Systems, Dependent Navigation Systems, and more to demonstrate advanced competency.

Pros

Industry-recognized credential boosts your resume
Higher earning potential (10-20% salary increase on average)
Demonstrates commitment to professional development
Opens doors to advanced career opportunities

Cons

Exam preparation requires significant time investment (4-8 weeks)
Certification fees can be $100-$400+
May require continuing education to maintain
Some employers may not require certification

AET Questions and Answers

What does AET stand for in education?

In education, AET stands for Award in Education and Training, a UK Level 3 qualification that replaced the PTLLS course in 2013. It is the entry-level teaching credential for those wanting to teach adults in further education, workplace training, or community learning settings.

What does AET stand for?

AET has several meanings depending on context. In aviation, it stands for Aircraft Electronics Technician, certified through NCATT. In education it means Award in Education and Training, and in hydrology or agriculture it refers to Actual Evapotranspiration, a measure of water loss from soil and plants.

What is AET training?

AET training prepares candidates for the Aircraft Electronics Technician certification, covering avionics fundamentals, digital and analog circuits, wiring, soldering, EMI/EMC principles, and FAA regulations. Courses typically run 40 to 120 hours and include hands-on practice with test equipment, schematics, and troubleshooting aircraft electronic systems.

What is the AET exam?

The AET exam is the NCATT Aircraft Electronics Technician test, a 100-question multiple-choice assessment administered by ETA International. Candidates have two hours to complete it and must score at least 70 percent to pass. It validates baseline avionics knowledge required for FAA Repair Station technicians.

What does AET mean in aviation maintenance?

In aviation maintenance, AET refers to the Aircraft Electronics Technician credential, an industry-recognized certification for avionics professionals. It demonstrates competency in installing, testing, troubleshooting, and repairing electronic systems on aircraft, including communication, navigation, autopilot, and flight instrument equipment.

What is AET in simple terms?

AET, or Aircraft Electronics Technician, is a certified avionics specialist who works on the electrical and electronic systems of aircraft. They handle wiring, radios, GPS units, transponders, and flight displays, ensuring everything meets FAA airworthiness standards before an aircraft returns to service.

What does AET mean on a certification?

On a certification, AET identifies the holder as an Aircraft Electronics Technician recognized by NCATT and ETA International. It signals to employers that the technician has passed a standardized avionics knowledge exam and meets baseline competency requirements for working in FAA-certified repair stations and avionics shops.

How do you calculate AET for the certification process?

There is no numerical calculation for the Aircraft Electronics Technician certification itself. Your AET exam score is calculated as the percentage of correct answers out of 100 questions, with 70 percent required to pass. Candidates track study readiness using practice test scores, aiming for consistent 80 percent or higher before sitting the official exam.

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